Home / 554,725.60-829,982.40-368,101.60

Finding the Fourth Proportional to 554,725.60, 829,982.40 and 368,101.60

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Solution

The fourth proportional to 554,725.60, 829,982.40 and 368,101.60 is: 550,754.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,725.60 : 829,982.40 = 368,101.60 : x
  2. Step 2: Convert to fraction form
    554,725.60/829,982.40 = 368,101.60/x
  3. Step 3: Cross multiply
    554,725.60x = 829,982.40 × 368,101.60
  4. Step 4: Simplify right side
    554,725.60x = 305,517,849,411.84
  5. Step 5: Solve for x
    x = 305,517,849,411.84/554,725.60
  6. Step 6: Final answer
    x = 550,754.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.